text: /*
   * Copyright (C) Andrew Tridgell 1995-1999
   *
   * This software may be distributed either under the terms of the
   * BSD-style license that accompanies tcpdump or the GNU GPL version 2
   * or later
   */
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #endif
  
  #ifndef lint
  static const char rcsid[] _U_ =
       "@(#) $Header$";
  #endif
  
  #include <tcpdump-stdinc.h>
  
  #include <stdio.h>
  #include <string.h>
  
  #include "interface.h"
  #include "extract.h"
  #include "smb.h"
  
  static int request = 0;
  static int unicodestr = 0;
  
  const u_char *startbuf = NULL;
  
  struct smbdescript {
      const char *req_f1;
      const char *req_f2;
      const char *rep_f1;
      const char *rep_f2;
      void (*fn)(const u_char *, const u_char *, const u_char *, const u_char *);
  };
  
  struct smbdescriptint {
      const char *req_f1;
      const char *req_f2;
      const char *rep_f1;
      const char *rep_f2;
      void (*fn)(const u_char *, const u_char *, int, int);
  };
  
  struct smbfns
  {
      int id;
      const char *name;
      int flags;
      struct smbdescript descript;
  };
  
  struct smbfnsint
  {
      int id;
      const char *name;
      int flags;
      struct smbdescriptint descript;
  };
  
  #define DEFDESCRIPT	{ NULL, NULL, NULL, NULL, NULL }
  
  #define FLG_CHAIN	(1 << 0)
  
  static struct smbfns *
  smbfind(int id, struct smbfns *list)
  {
      int sindex;
  
      for (sindex = 0; list[sindex].name; sindex++)
  	if (list[sindex].id == id)
  	    return(&list[sindex]);
  
      return(&list[0]);
  }
  
  static struct smbfnsint *
  smbfindint(int id, struct smbfnsint *list)
  {
      int sindex;
  
      for (sindex = 0; list[sindex].name; sindex++)
  	if (list[sindex].id == id)
  	    return(&list[sindex]);
  
      return(&list[0]);
  }
  
  static void
  trans2_findfirst(const u_char *param, const u_char *data, int pcnt, int dcnt)
  {
      const char *fmt;
  
      if (request)
  	fmt = "Attribute=[A]\nSearchCount=[d]\nFlags=[w]\nLevel=[dP4]\nFile=[S]\n";
      else
  	fmt = "Handle=[w]\nCount=[d]\nEOS=[w]\nEoffset=[d]\nLastNameOfs=[w]\n";
  
      smb_fdata(param, fmt, param + pcnt, unicodestr);
      if (dcnt) {
  	printf("data:\n");
  	print_data(data, dcnt);
      }
  }
  
  static void
  trans2_qfsinfo(const u_char *param, const u_char *data, int pcnt, int dcnt)
  {
      static int level = 0;
      const char *fmt="";
  
      if (request) {
  	TCHECK2(*param, 2);
  	level = EXTRACT_LE_16BITS(param);
  	fmt = "InfoLevel=[d]\n";
  	smb_fdata(param, fmt, param + pcnt, unicodestr);
      } else {
  	switch (level) {
  	case 1:
  	    fmt = "idFileSystem=[W]\nSectorUnit=[D]\nUnit=[D]\nAvail=[D]\nSectorSize=[d]\n";
  	    break;
  	case 2:
  	    fmt = "CreationTime=[T2]VolNameLength=[lb]\nVolumeLabel=[c]\n";
  	    break;
  	case 0x105:
  	    fmt = "Capabilities=[W]\nMaxFileLen=[D]\nVolNameLen=[lD]\nVolume=[C]\n";
  	    break;
  	default:
  	    fmt = "UnknownLevel\n";
  	    break;
  	}
  	smb_fdata(data, fmt, data + dcnt, unicodestr);
      }
      if (dcnt) {
  	printf("data:\n");
  	print_data(data, dcnt);
      }
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  struct smbfnsint trans2_fns[] = {
      { 0, "TRANSACT2_OPEN", 0,
  	{ "Flags2=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]\nOFun=[w]\nSize=[D]\nRes=([w, w, w, w, w])\nPath=[S]",
  	  NULL,
  	  "Handle=[d]\nAttrib=[A]\nTime=[T2]\nSize=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nInode=[W]\nOffErr=[d]\n|EALength=[d]\n",
  	  NULL, NULL }},
      { 1, "TRANSACT2_FINDFIRST", 0,
  	{ NULL, NULL, NULL, NULL, trans2_findfirst }},
      { 2, "TRANSACT2_FINDNEXT", 0, DEFDESCRIPT },
      { 3, "TRANSACT2_QFSINFO", 0,
  	{ NULL, NULL, NULL, NULL, trans2_qfsinfo }},
      { 4, "TRANSACT2_SETFSINFO", 0, DEFDESCRIPT },
      { 5, "TRANSACT2_QPATHINFO", 0, DEFDESCRIPT },
      { 6, "TRANSACT2_SETPATHINFO", 0, DEFDESCRIPT },
      { 7, "TRANSACT2_QFILEINFO", 0, DEFDESCRIPT },
      { 8, "TRANSACT2_SETFILEINFO", 0, DEFDESCRIPT },
      { 9, "TRANSACT2_FSCTL", 0, DEFDESCRIPT },
      { 10, "TRANSACT2_IOCTL", 0, DEFDESCRIPT },
      { 11, "TRANSACT2_FINDNOTIFYFIRST", 0, DEFDESCRIPT },
      { 12, "TRANSACT2_FINDNOTIFYNEXT", 0, DEFDESCRIPT },
      { 13, "TRANSACT2_MKDIR", 0, DEFDESCRIPT },
      { -1, NULL, 0, DEFDESCRIPT }
  };
  
  
  static void
  print_trans2(const u_char *words, const u_char *dat, const u_char *buf, const u_char *maxbuf)
  {
      u_int bcc;
      static struct smbfnsint *fn = &trans2_fns[0];
      const u_char *data, *param;
      const u_char *w = words + 1;
      const char *f1 = NULL, *f2 = NULL;
      int pcnt, dcnt;
  
      TCHECK(words[0]);
      if (request) {
  	TCHECK2(w[14 * 2], 2);
  	pcnt = EXTRACT_LE_16BITS(w + 9 * 2);
  	param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
  	dcnt = EXTRACT_LE_16BITS(w + 11 * 2);
  	data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
  	fn = smbfindint(EXTRACT_LE_16BITS(w + 14 * 2), trans2_fns);
      } else {
  	if (words[0] == 0) {
  	    printf("%s\n", fn->name);
  	    printf("Trans2Interim\n");
  	    return;
  	}
  	TCHECK2(w[7 * 2], 2);
  	pcnt = EXTRACT_LE_16BITS(w + 3 * 2);
  	param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
  	dcnt = EXTRACT_LE_16BITS(w + 6 * 2);
  	data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
      }
  
      printf("%s param_length=%d data_length=%d\n", fn->name, pcnt, dcnt);
  
      if (request) {
  	if (words[0] == 8) {
  	    smb_fdata(words + 1,
  		"Trans2Secondary\nTotParam=[d]\nTotData=[d]\nParamCnt=[d]\nParamOff=[d]\nParamDisp=[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nHandle=[d]\n",
  		maxbuf, unicodestr);
  	    return;
  	} else {
  	    smb_fdata(words + 1,
  		"TotParam=[d]\nTotData=[d]\nMaxParam=[d]\nMaxData=[d]\nMaxSetup=[b][P1]\nFlags=[w]\nTimeOut=[D]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nDataCnt=[d]\nDataOff=[d]\nSetupCnt=[b][P1]\n",
  		words + 1 + 14 * 2, unicodestr);
  	}
  	f1 = fn->descript.req_f1;
  	f2 = fn->descript.req_f2;
      } else {
  	smb_fdata(words + 1,
  	    "TotParam=[d]\nTotData=[d]\nRes1=[w]\nParamCnt=[d]\nParamOff=[d]\nParamDisp[d]\nDataCnt=[d]\nDataOff=[d]\nDataDisp=[d]\nSetupCnt=[b][P1]\n",
  	    words + 1 + 10 * 2, unicodestr);
  	f1 = fn->descript.rep_f1;
  	f2 = fn->descript.rep_f2;
      }
  
      TCHECK2(*dat, 2);
      bcc = EXTRACT_LE_16BITS(dat);
      printf("smb_bcc=%u\n", bcc);
      if (fn->descript.fn)
  	(*fn->descript.fn)(param, data, pcnt, dcnt);
      else {
  	smb_fdata(param, f1 ? f1 : "Parameters=\n", param + pcnt, unicodestr);
  	smb_fdata(data, f2 ? f2 : "Data=\n", data + dcnt, unicodestr);
      }
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  
  static void
  print_browse(const u_char *param, int paramlen, const u_char *data, int datalen)
  {
      const u_char *maxbuf = data + datalen;
      int command;
  
      TCHECK(data[0]);
      command = data[0];
  
      smb_fdata(param, "BROWSE PACKET\n|Param ", param+paramlen, unicodestr);
  
      switch (command) {
      case 0xF:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (LocalMasterAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
  	    maxbuf, unicodestr);
  	break;
  
      case 0x1:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (HostAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nElectionVersion=[w]\nBrowserConstant=[w]\n",
  	    maxbuf, unicodestr);
  	break;
  
      case 0x2:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (AnnouncementRequest)\nFlags=[B]\nReplySystemName=[S]\n",
  	    maxbuf, unicodestr);
  	break;
  
      case 0xc:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (WorkgroupAnnouncement)\nUpdateCount=[w]\nRes1=[B]\nAnnounceInterval=[d]\nName=[n2]\nMajorVersion=[B]\nMinorVersion=[B]\nServerType=[W]\nCommentPointer=[W]\nServerName=[S]\n",
  	    maxbuf, unicodestr);
  	break;
  
      case 0x8:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (ElectionFrame)\nElectionVersion=[B]\nOSSummary=[W]\nUptime=[(W, W)]\nServerName=[S]\n",
  	    maxbuf, unicodestr);
  	break;
  
      case 0xb:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (BecomeBackupBrowser)\nName=[S]\n",
  	    maxbuf, unicodestr);
  	break;
  
      case 0x9:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (GetBackupList)\nListCount?=[B]\nToken=[W]\n",
  	    maxbuf, unicodestr);
  	break;
  
      case 0xa:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (BackupListResponse)\nServerCount?=[B]\nToken=[W]\n*Name=[S]\n",
  	    maxbuf, unicodestr);
  	break;
  
      case 0xd:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (MasterAnnouncement)\nMasterName=[S]\n",
  	    maxbuf, unicodestr);
  	break;
  
      case 0xe:
  	data = smb_fdata(data,
  	    "BROWSE PACKET:\nType=[B] (ResetBrowser)\nOptions=[B]\n", maxbuf, unicodestr);
  	break;
  
      default:
  	data = smb_fdata(data, "Unknown Browser Frame ", maxbuf, unicodestr);
  	break;
      }
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  
  static void
  print_ipc(const u_char *param, int paramlen, const u_char *data, int datalen)
  {
      if (paramlen)
  	smb_fdata(param, "Command=[w]\nStr1=[S]\nStr2=[S]\n", param + paramlen,
  	    unicodestr);
      if (datalen)
  	smb_fdata(data, "IPC ", data + datalen, unicodestr);
  }
  
  
  static void
  print_trans(const u_char *words, const u_char *data1, const u_char *buf, const u_char *maxbuf)
  {
      u_int bcc;
      const char *f1, *f2, *f3, *f4;
      const u_char *data, *param;
      const u_char *w = words + 1;
      int datalen, paramlen;
  
      if (request) {
  	TCHECK2(w[12 * 2], 2);
  	paramlen = EXTRACT_LE_16BITS(w + 9 * 2);
  	param = buf + EXTRACT_LE_16BITS(w + 10 * 2);
  	datalen = EXTRACT_LE_16BITS(w + 11 * 2);
  	data = buf + EXTRACT_LE_16BITS(w + 12 * 2);
  	f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nMaxParmCnt=[d] \nMaxDataCnt=[d]\nMaxSCnt=[d] \nTransFlags=[w] \nRes1=[w] \nRes2=[w] \nRes3=[w]\nParamCnt=[d] \nParamOff=[d] \nDataCnt=[d] \nDataOff=[d] \nSUCnt=[d]\n";
  	f2 = "|Name=[S]\n";
  	f3 = "|Param ";
  	f4 = "|Data ";
      } else {
  	TCHECK2(w[7 * 2], 2);
  	paramlen = EXTRACT_LE_16BITS(w + 3 * 2);
  	param = buf + EXTRACT_LE_16BITS(w + 4 * 2);
  	datalen = EXTRACT_LE_16BITS(w + 6 * 2);
  	data = buf + EXTRACT_LE_16BITS(w + 7 * 2);
  	f1 = "TotParamCnt=[d] \nTotDataCnt=[d] \nRes1=[d]\nParamCnt=[d] \nParamOff=[d] \nRes2=[d] \nDataCnt=[d] \nDataOff=[d] \nRes3=[d]\nLsetup=[d]\n";
  	f2 = "|Unknown ";
  	f3 = "|Param ";
  	f4 = "|Data ";
      }
  
      smb_fdata(words + 1, f1, SMBMIN(words + 1 + 2 * words[0], maxbuf),
          unicodestr);
  
      TCHECK2(*data1, 2);
      bcc = EXTRACT_LE_16BITS(data1);
      printf("smb_bcc=%u\n", bcc);
      if (bcc > 0) {
  	smb_fdata(data1 + 2, f2, maxbuf - (paramlen + datalen), unicodestr);
  
  	if (strcmp((const char *)(data1 + 2), "\\MAILSLOT\\BROWSE") == 0) {
  	    print_browse(param, paramlen, data, datalen);
  	    return;
  	}
  
  	if (strcmp((const char *)(data1 + 2), "\\PIPE\\LANMAN") == 0) {
  	    print_ipc(param, paramlen, data, datalen);
  	    return;
  	}
  
  	if (paramlen)
  	    smb_fdata(param, f3, SMBMIN(param + paramlen, maxbuf), unicodestr);
  	if (datalen)
  	    smb_fdata(data, f4, SMBMIN(data + datalen, maxbuf), unicodestr);
      }
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  
  static void
  print_negprot(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
  {
      u_int wct, bcc;
      const char *f1 = NULL, *f2 = NULL;
  
      TCHECK(words[0]);
      wct = words[0];
      if (request)
  	f2 = "*|Dialect=[Y]\n";
      else {
  	if (wct == 1)
  	    f1 = "Core Protocol\nDialectIndex=[d]";
  	else if (wct == 17)
  	    f1 = "NT1 Protocol\nDialectIndex=[d]\nSecMode=[B]\nMaxMux=[d]\nNumVcs=[d]\nMaxBuffer=[D]\nRawSize=[D]\nSessionKey=[W]\nCapabilities=[W]\nServerTime=[T3]TimeZone=[d]\nCryptKey=";
  	else if (wct == 13)
  	    f1 = "Coreplus/Lanman1/Lanman2 Protocol\nDialectIndex=[d]\nSecMode=[w]\nMaxXMit=[d]\nMaxMux=[d]\nMaxVcs=[d]\nBlkMode=[w]\nSessionKey=[W]\nServerTime=[T1]TimeZone=[d]\nRes=[W]\nCryptKey=";
      }
  
      if (f1)
  	smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
  	    unicodestr);
      else
  	print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
  
      TCHECK2(*data, 2);
      bcc = EXTRACT_LE_16BITS(data);
      printf("smb_bcc=%u\n", bcc);
      if (bcc > 0) {
  	if (f2)
  	    smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
  		maxbuf), unicodestr);
  	else
  	    print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
      }
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  static void
  print_sesssetup(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
  {
      u_int wct, bcc;
      const char *f1 = NULL, *f2 = NULL;
  
      TCHECK(words[0]);
      wct = words[0];
      if (request) {
  	if (wct == 10)
  	    f1 = "Com2=[w]\nOff2=[d]\nBufSize=[d]\nMpxMax=[d]\nVcNum=[d]\nSessionKey=[W]\nPassLen=[d]\nCryptLen=[d]\nCryptOff=[d]\nPass&Name=\n";
  	else
  	    f1 = "Com2=[B]\nRes1=[B]\nOff2=[d]\nMaxBuffer=[d]\nMaxMpx=[d]\nVcNumber=[d]\nSessionKey=[W]\nCaseInsensitivePasswordLength=[d]\nCaseSensitivePasswordLength=[d]\nRes=[W]\nCapabilities=[W]\nPass1&Pass2&Account&Domain&OS&LanMan=\n";
      } else {
  	if (wct == 3) {
  	    f1 = "Com2=[w]\nOff2=[d]\nAction=[w]\n";
  	} else if (wct == 13) {
  	    f1 = "Com2=[B]\nRes=[B]\nOff2=[d]\nAction=[w]\n";
  	    f2 = "NativeOS=[S]\nNativeLanMan=[S]\nPrimaryDomain=[S]\n";
  	}
      }
  
      if (f1)
  	smb_fdata(words + 1, f1, SMBMIN(words + 1 + wct * 2, maxbuf),
  	    unicodestr);
      else
  	print_data(words + 1, SMBMIN(wct * 2, PTR_DIFF(maxbuf, words + 1)));
  
      TCHECK2(*data, 2);
      bcc = EXTRACT_LE_16BITS(data);
      printf("smb_bcc=%u\n", bcc);
      if (bcc > 0) {
  	if (f2)
  	    smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
  		maxbuf), unicodestr);
  	else
  	    print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
      }
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  static void
  print_lockingandx(const u_char *words, const u_char *data, const u_char *buf _U_, const u_char *maxbuf)
  {
      u_int wct, bcc;
      const u_char *maxwords;
      const char *f1 = NULL, *f2 = NULL;
  
      TCHECK(words[0]);
      wct = words[0];
      if (request) {
  	f1 = "Com2=[w]\nOff2=[d]\nHandle=[d]\nLockType=[w]\nTimeOut=[D]\nUnlockCount=[d]\nLockCount=[d]\n";
  	TCHECK(words[7]);
  	if (words[7] & 0x10)
  	    f2 = "*Process=[d]\n[P2]Offset=[M]\nLength=[M]\n";
  	else
  	    f2 = "*Process=[d]\nOffset=[D]\nLength=[D]\n";
      } else {
  	f1 = "Com2=[w]\nOff2=[d]\n";
      }
  
      maxwords = SMBMIN(words + 1 + wct * 2, maxbuf);
      if (wct)
  	smb_fdata(words + 1, f1, maxwords, unicodestr);
  
      TCHECK2(*data, 2);
      bcc = EXTRACT_LE_16BITS(data);
      printf("smb_bcc=%u\n", bcc);
      if (bcc > 0) {
  	if (f2)
  	    smb_fdata(data + 2, f2, SMBMIN(data + 2 + EXTRACT_LE_16BITS(data),
  		maxbuf), unicodestr);
  	else
  	    print_data(data + 2, SMBMIN(EXTRACT_LE_16BITS(data), PTR_DIFF(maxbuf, data + 2)));
      }
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  
  static struct smbfns smb_fns[] = {
      { -1, "SMBunknown", 0, DEFDESCRIPT },
  
      { SMBtcon, "SMBtcon", 0,
  	{ NULL, "Path=[Z]\nPassword=[Z]\nDevice=[Z]\n",
  	  "MaxXmit=[d]\nTreeId=[d]\n", NULL,
  	  NULL } },
  
      { SMBtdis, "SMBtdis", 0, DEFDESCRIPT },
      { SMBexit,  "SMBexit", 0, DEFDESCRIPT },
      { SMBioctl, "SMBioctl", 0, DEFDESCRIPT },
  
      { SMBecho, "SMBecho", 0,
  	{ "ReverbCount=[d]\n", NULL,
  	  "SequenceNum=[d]\n", NULL,
  	  NULL } },
  
      { SMBulogoffX, "SMBulogoffX", FLG_CHAIN, DEFDESCRIPT },
  
      { SMBgetatr, "SMBgetatr", 0,
  	{ NULL, "Path=[Z]\n",
  	  "Attribute=[A]\nTime=[T2]Size=[D]\nRes=([w,w,w,w,w])\n", NULL,
  	  NULL } },
  
      { SMBsetatr, "SMBsetatr", 0,
  	{ "Attribute=[A]\nTime=[T2]Res=([w,w,w,w,w])\n", "Path=[Z]\n",
  	  NULL, NULL, NULL } },
  
      { SMBchkpth, "SMBchkpth", 0,
         { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
  
      { SMBsearch, "SMBsearch", 0,
  	{ "Count=[d]\nAttrib=[A]\n",
  	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\n",
  	  "Count=[d]\n",
  	  "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
  	  NULL } },
  
      { SMBopen, "SMBopen", 0,
  	{ "Mode=[w]\nAttribute=[A]\n", "Path=[Z]\n",
  	  "Handle=[d]\nOAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\n",
  	  NULL, NULL } },
  
      { SMBcreate, "SMBcreate", 0,
  	{ "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
  
      { SMBmknew, "SMBmknew", 0,
  	{ "Attrib=[A]\nTime=[T2]", "Path=[Z]\n", "Handle=[d]\n", NULL, NULL } },
  
      { SMBunlink, "SMBunlink", 0,
  	{ "Attrib=[A]\n", "Path=[Z]\n", NULL, NULL, NULL } },
  
      { SMBread, "SMBread", 0,
  	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
  	  "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
  
      { SMBwrite, "SMBwrite", 0,
  	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
  	  "Count=[d]\n", NULL, NULL } },
  
      { SMBclose, "SMBclose", 0,
  	{ "Handle=[d]\nTime=[T2]", NULL, NULL, NULL, NULL } },
  
      { SMBmkdir, "SMBmkdir", 0,
  	{ NULL, "Path=[Z]\n", NULL, NULL, NULL } },
  
      { SMBrmdir, "SMBrmdir", 0,
  	{ NULL, "Path=[Z]\n", NULL, NULL, NULL } },
  
      { SMBdskattr, "SMBdskattr", 0,
  	{ NULL, NULL,
  	  "TotalUnits=[d]\nBlocksPerUnit=[d]\nBlockSize=[d]\nFreeUnits=[d]\nMedia=[w]\n",
  	  NULL, NULL } },
  
      { SMBmv, "SMBmv", 0,
  	{ "Attrib=[A]\n", "OldPath=[Z]\nNewPath=[Z]\n", NULL, NULL, NULL } },
  
      /*
       * this is a Pathworks specific call, allowing the
       * changing of the root path
       */
      { pSETDIR, "SMBsetdir", 0, { NULL, "Path=[Z]\n", NULL, NULL, NULL } },
  
      { SMBlseek, "SMBlseek", 0,
  	{ "Handle=[d]\nMode=[w]\nOffset=[D]\n", "Offset=[D]\n", NULL, NULL, NULL } },
  
      { SMBflush, "SMBflush", 0, { "Handle=[d]\n", NULL, NULL, NULL, NULL } },
  
      { SMBsplopen, "SMBsplopen", 0,
  	{ "SetupLen=[d]\nMode=[w]\n", "Ident=[Z]\n", "Handle=[d]\n",
  	  NULL, NULL } },
  
      { SMBsplclose, "SMBsplclose", 0,
  	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
  
      { SMBsplretq, "SMBsplretq", 0,
  	{ "MaxCount=[d]\nStartIndex=[d]\n", NULL,
  	  "Count=[d]\nIndex=[d]\n",
  	  "*Time=[T2]Status=[B]\nJobID=[d]\nSize=[D]\nRes=[B]Name=[s16]\n",
  	  NULL } },
  
      { SMBsplwr, "SMBsplwr", 0,
  	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
  
      { SMBlock, "SMBlock", 0,
  	{ "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
  
      { SMBunlock, "SMBunlock", 0,
  	{ "Handle=[d]\nCount=[D]\nOffset=[D]\n", NULL, NULL, NULL, NULL } },
  
      /* CORE+ PROTOCOL FOLLOWS */
  
      { SMBreadbraw, "SMBreadbraw", 0,
  	{ "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[d]\n",
  	  NULL, NULL, NULL, NULL } },
  
      { SMBwritebraw, "SMBwritebraw", 0,
  	{ "Handle=[d]\nTotalCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\n|DataSize=[d]\nDataOff=[d]\n",
  	  NULL, "WriteRawAck", NULL, NULL } },
  
      { SMBwritec, "SMBwritec", 0,
  	{ NULL, NULL, "Count=[d]\n", NULL, NULL } },
  
      { SMBwriteclose, "SMBwriteclose", 0,
  	{ "Handle=[d]\nCount=[d]\nOffset=[D]\nTime=[T2]Res=([w,w,w,w,w,w])",
  	  NULL, "Count=[d]\n", NULL, NULL } },
  
      { SMBlockread, "SMBlockread", 0,
  	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
  	  "Count=[d]\nRes=([w,w,w,w])\n", NULL, NULL } },
  
      { SMBwriteunlock, "SMBwriteunlock", 0,
  	{ "Handle=[d]\nByteCount=[d]\nOffset=[D]\nCountLeft=[d]\n", NULL,
  	  "Count=[d]\n", NULL, NULL } },
  
      { SMBreadBmpx, "SMBreadBmpx", 0,
  	{ "Handle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nRes=[w]\n",
  	  NULL,
  	  "Offset=[D]\nTotCount=[d]\nRemaining=[d]\nRes=([w,w])\nDataSize=[d]\nDataOff=[d]\n",
  	  NULL, NULL } },
  
      { SMBwriteBmpx, "SMBwriteBmpx", 0,
  	{ "Handle=[d]\nTotCount=[d]\nRes=[w]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nRes2=[W]\nDataSize=[d]\nDataOff=[d]\n", NULL,
  	  "Remaining=[d]\n", NULL, NULL } },
  
      { SMBwriteBs, "SMBwriteBs", 0,
  	{ "Handle=[d]\nTotCount=[d]\nOffset=[D]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\n",
  	  NULL, "Count=[d]\n", NULL, NULL } },
  
      { SMBsetattrE, "SMBsetattrE", 0,
  	{ "Handle=[d]\nCreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]", NULL,
  	  NULL, NULL, NULL } },
  
      { SMBgetattrE, "SMBgetattrE", 0,
  	{ "Handle=[d]\n", NULL,
  	  "CreationTime=[T2]AccessTime=[T2]ModifyTime=[T2]Size=[D]\nAllocSize=[D]\nAttribute=[A]\n",
  	  NULL, NULL } },
  
      { SMBtranss, "SMBtranss", 0, DEFDESCRIPT },
      { SMBioctls, "SMBioctls", 0, DEFDESCRIPT },
  
      { SMBcopy, "SMBcopy", 0,
  	{ "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
  	  "CopyCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
  
      { SMBmove, "SMBmove", 0,
  	{ "TreeID2=[d]\nOFun=[w]\nFlags=[w]\n", "Path=[S]\nNewPath=[S]\n",
  	  "MoveCount=[d]\n",  "|ErrStr=[S]\n",  NULL } },
  
      { SMBopenX, "SMBopenX", FLG_CHAIN,
  	{ "Com2=[w]\nOff2=[d]\nFlags=[w]\nMode=[w]\nSearchAttrib=[A]\nAttrib=[A]\nTime=[T2]OFun=[w]\nSize=[D]\nTimeOut=[D]\nRes=[W]\n",
  	  "Path=[S]\n",
  	  "Com2=[w]\nOff2=[d]\nHandle=[d]\nAttrib=[A]\nTime=[T2]Size=[D]\nAccess=[w]\nType=[w]\nState=[w]\nAction=[w]\nFileID=[W]\nRes=[w]\n",
  	  NULL, NULL } },
  
      { SMBreadX, "SMBreadX", FLG_CHAIN,
  	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nMaxCount=[d]\nMinCount=[d]\nTimeOut=[D]\nCountLeft=[d]\n",
  	  NULL,
  	  "Com2=[w]\nOff2=[d]\nRemaining=[d]\nRes=[W]\nDataSize=[d]\nDataOff=[d]\nRes=([w,w,w,w])\n",
  	  NULL, NULL } },
  
      { SMBwriteX, "SMBwriteX", FLG_CHAIN,
  	{ "Com2=[w]\nOff2=[d]\nHandle=[d]\nOffset=[D]\nTimeOut=[D]\nWMode=[w]\nCountLeft=[d]\nRes=[w]\nDataSize=[d]\nDataOff=[d]\n",
  	  NULL,
  	  "Com2=[w]\nOff2=[d]\nCount=[d]\nRemaining=[d]\nRes=[W]\n",
  	  NULL, NULL } },
  
      { SMBffirst, "SMBffirst", 0,
  	{ "Count=[d]\nAttrib=[A]\n",
  	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
  	  "Count=[d]\n",
  	  "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
  	  NULL } },
  
      { SMBfunique, "SMBfunique", 0,
  	{ "Count=[d]\nAttrib=[A]\n",
  	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
  	  "Count=[d]\n",
  	  "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
  	  NULL } },
  
      { SMBfclose, "SMBfclose", 0,
  	{ "Count=[d]\nAttrib=[A]\n",
  	  "Path=[Z]\nBlkType=[B]\nBlkLen=[d]\n|Res1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\n",
  	  "Count=[d]\n",
  	  "BlkType=[B]\nBlkLen=[d]\n*\nRes1=[B]\nMask=[s11]\nSrv1=[B]\nDirIndex=[d]\nSrv2=[w]\nRes2=[W]\nAttrib=[a]\nTime=[T1]Size=[D]\nName=[s13]\n",
  	  NULL } },
  
      { SMBfindnclose, "SMBfindnclose", 0,
  	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
  
      { SMBfindclose, "SMBfindclose", 0,
  	{ "Handle=[d]\n", NULL, NULL, NULL, NULL } },
  
      { SMBsends, "SMBsends", 0,
  	{ NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
  
      { SMBsendstrt, "SMBsendstrt", 0,
  	{ NULL, "Source=[Z]\nDest=[Z]\n", "GroupID=[d]\n", NULL, NULL } },
  
      { SMBsendend, "SMBsendend", 0,
  	{ "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
  
      { SMBsendtxt, "SMBsendtxt", 0,
  	{ "GroupID=[d]\n", NULL, NULL, NULL, NULL } },
  
      { SMBsendb, "SMBsendb", 0,
  	{ NULL, "Source=[Z]\nDest=[Z]\n", NULL, NULL, NULL } },
  
      { SMBfwdname, "SMBfwdname", 0, DEFDESCRIPT },
      { SMBcancelf, "SMBcancelf", 0, DEFDESCRIPT },
      { SMBgetmac, "SMBgetmac", 0, DEFDESCRIPT },
  
      { SMBnegprot, "SMBnegprot", 0,
  	{ NULL, NULL, NULL, NULL, print_negprot } },
  
      { SMBsesssetupX, "SMBsesssetupX", FLG_CHAIN,
  	{ NULL, NULL, NULL, NULL, print_sesssetup } },
  
      { SMBtconX, "SMBtconX", FLG_CHAIN,
  	{ "Com2=[w]\nOff2=[d]\nFlags=[w]\nPassLen=[d]\nPasswd&Path&Device=\n",
  	  NULL, "Com2=[w]\nOff2=[d]\n", "ServiceType=[R]\n", NULL } },
  
      { SMBlockingX, "SMBlockingX", FLG_CHAIN,
  	{ NULL, NULL, NULL, NULL, print_lockingandx } },
  
      { SMBtrans2, "SMBtrans2", 0, { NULL, NULL, NULL, NULL, print_trans2 } },
  
      { SMBtranss2, "SMBtranss2", 0, DEFDESCRIPT },
      { SMBctemp, "SMBctemp", 0, DEFDESCRIPT },
      { SMBreadBs, "SMBreadBs", 0, DEFDESCRIPT },
      { SMBtrans, "SMBtrans", 0, { NULL, NULL, NULL, NULL, print_trans } },
  
      { SMBnttrans, "SMBnttrans", 0, DEFDESCRIPT },
      { SMBnttranss, "SMBnttranss", 0, DEFDESCRIPT },
  
      { SMBntcreateX, "SMBntcreateX", FLG_CHAIN,
  	{ "Com2=[w]\nOff2=[d]\nRes=[b]\nNameLen=[ld]\nFlags=[W]\nRootDirectoryFid=[D]\nAccessMask=[W]\nAllocationSize=[L]\nExtFileAttributes=[W]\nShareAccess=[W]\nCreateDisposition=[W]\nCreateOptions=[W]\nImpersonationLevel=[W]\nSecurityFlags=[b]\n",
  	  "Path=[C]\n",
  	  "Com2=[w]\nOff2=[d]\nOplockLevel=[b]\nFid=[d]\nCreateAction=[W]\nCreateTime=[T3]LastAccessTime=[T3]LastWriteTime=[T3]ChangeTime=[T3]ExtFileAttributes=[W]\nAllocationSize=[L]\nEndOfFile=[L]\nFileType=[w]\nDeviceState=[w]\nDirectory=[b]\n",
  	  NULL, NULL } },
  
      { SMBntcancel, "SMBntcancel", 0, DEFDESCRIPT },
  
      { -1, NULL, 0, DEFDESCRIPT }
  };
  
  
  /*
   * print a SMB message
   */
  static void
  print_smb(const u_char *buf, const u_char *maxbuf)
  {
      u_int16_t flags2;
      int nterrcodes;
      int command;
      u_int32_t nterror;
      const u_char *words, *maxwords, *data;
      struct smbfns *fn;
      const char *fmt_smbheader =
          "[P4]SMB Command   =  [B]\nError class   =  [BP1]\nError code    =  [d]\nFlags1        =  [B]\nFlags2        =  [B][P13]\nTree ID       =  [d]\nProc ID       =  [d]\nUID           =  [d]\nMID           =  [d]\nWord Count    =  [b]\n";
      int smboffset;
  
      TCHECK(buf[9]);
      request = (buf[9] & 0x80) ? 0 : 1;
      flags2 = EXTRACT_LE_16BITS(&buf[10]);
      unicodestr = flags2 & 0x8000;
      nterrcodes = flags2 & 0x4000;
      startbuf = buf;
  
      command = buf[4];
  
      fn = smbfind(command, smb_fns);
  
      if (vflag > 1)
  	printf("\n");
  
      printf("SMB PACKET: %s (%s)\n", fn->name, request ? "REQUEST" : "REPLY");
  
      if (vflag < 2)
  	return;
  
      /* print out the header */
      smb_fdata(buf, fmt_smbheader, buf + 33, unicodestr);
  
      if (nterrcodes) {
      	nterror = EXTRACT_LE_32BITS(&buf[5]);
  	if (nterror)
  	    printf("NTError = %s\n", nt_errstr(nterror));
      } else {
  	if (buf[5])
  	    printf("SMBError = %s\n", smb_errstr(buf[5], EXTRACT_LE_16BITS(&buf[7])));
      }
  
      smboffset = 32;
  
      for (;;) {
  	const char *f1, *f2;
  	int wct;
  	u_int bcc;
  	int newsmboffset;
  
  	words = buf + smboffset;
  	TCHECK(words[0]);
  	wct = words[0];
  	data = words + 1 + wct * 2;
  	maxwords = SMBMIN(data, maxbuf);
  
  	if (request) {
  	    f1 = fn->descript.req_f1;
  	    f2 = fn->descript.req_f2;
  	} else {
  	    f1 = fn->descript.rep_f1;
  	    f2 = fn->descript.rep_f2;
  	}
  
  	if (fn->descript.fn)
  	    (*fn->descript.fn)(words, data, buf, maxbuf);
  	else {
  	    if (wct) {
  		if (f1)
  		    smb_fdata(words + 1, f1, words + 1 + wct * 2, unicodestr);
  		else {
  		    int i;
  		    int v;
  
  		    for (i = 0; &words[1 + 2 * i] < maxwords; i++) {
  			TCHECK2(words[1 + 2 * i], 2);
  			v = EXTRACT_LE_16BITS(words + 1 + 2 * i);
  			printf("smb_vwv[%d]=%d (0x%X)\n", i, v, v);
  		    }
  		}
  	    }
  
  	    TCHECK2(*data, 2);
  	    bcc = EXTRACT_LE_16BITS(data);
  	    printf("smb_bcc=%u\n", bcc);
  	    if (f2) {
  		if (bcc > 0)
  		    smb_fdata(data + 2, f2, data + 2 + bcc, unicodestr);
  	    } else {
  		if (bcc > 0) {
  		    printf("smb_buf[]=\n");
  		    print_data(data + 2, SMBMIN(bcc, PTR_DIFF(maxbuf, data + 2)));
  		}
  	    }
  	}
  
  	if ((fn->flags & FLG_CHAIN) == 0)
  	    break;
  	if (wct == 0)
  	    break;
  	TCHECK(words[1]);
  	command = words[1];
  	if (command == 0xFF)
  	    break;
  	TCHECK2(words[3], 2);
  	newsmboffset = EXTRACT_LE_16BITS(words + 3); 
  
  	fn = smbfind(command, smb_fns);
  
  	printf("\nSMB PACKET: %s (%s) (CHAINED)\n",
  	    fn->name, request ? "REQUEST" : "REPLY");
  	if (newsmboffset < smboffset) {
  	    printf("Bad andX offset: %u < %u\n", newsmboffset, smboffset);
  	    break;
  	}
  	smboffset = newsmboffset;
      }
  
      printf("\n");
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  
  /*
   * print a NBT packet received across tcp on port 139
   */
  void
  nbt_tcp_print(const u_char *data, int length)
  {
      int caplen;
      int type;
      u_int nbt_len;
      const u_char *maxbuf;
  
      if (length < 4)
  	goto trunc;
      if (snapend < data)
  	goto trunc;
      caplen = snapend - data;
      if (caplen < 4)
  	goto trunc;
      maxbuf = data + caplen;
      type = data[0];
      nbt_len = EXTRACT_16BITS(data + 2);
      length -= 4;
      caplen -= 4;
  
      startbuf = data;
  
      if (vflag < 2) {
  	printf(" NBT Session Packet: ");
  	switch (type) {
  	case 0x00:
  	    printf("Session Message");
  	    break;
  
  	case 0x81:
  	    printf("Session Request");
  	    break;
  
  	case 0x82:
  	    printf("Session Granted");
  	    break;
  
  	case 0x83:
  	  {
  	    int ecode;
  
  	    if (nbt_len < 4)
  		goto trunc;
  	    if (length < 4)
  		goto trunc;
  	    if (caplen < 4)
  		goto trunc;
  	    ecode = data[4];
  
  	    printf("Session Reject, ");
  	    switch (ecode) {
  	    case 0x80:
  		printf("Not listening on called name");
  		break;
  	    case 0x81:
  		printf("Not listening for calling name");
  		break;
  	    case 0x82:
  		printf("Called name not present");
  		break;
  	    case 0x83:
  		printf("Called name present, but insufficient resources");
  		break;
  	    default:
  		printf("Unspecified error 0x%X", ecode);
  		break;
  	    }
  	  }
  	    break;
  
  	case 0x85:
  	    printf("Session Keepalive");
  	    break;
  
  	default:
  	    data = smb_fdata(data, "Unknown packet type [rB]", maxbuf, 0);
  	    break;
  	}
      } else {
  	printf ("\n>>> NBT Session Packet\n");
  	switch (type) {
  	case 0x00:
  	    data = smb_fdata(data, "[P1]NBT Session Message\nFlags=[B]\nLength=[rd]\n",
  		data + 4, 0);
  	    if (data == NULL)
  		break;
  	    if (nbt_len >= 4 && caplen >= 4 && memcmp(data,"\377SMB",4) == 0) {
  		if ((int)nbt_len > caplen) {
  		    if ((int)nbt_len > length)
  			printf("WARNING: Packet is continued in later TCP segments\n");
  		    else
  			printf("WARNING: Short packet. Try increasing the snap length by %d\n",
  			    nbt_len - caplen);
  		}
  		print_smb(data, maxbuf > data + nbt_len ? data + nbt_len : maxbuf);
  	    } else
  		printf("Session packet:(raw data or continuation?)\n");
  	    break;
  
  	case 0x81:
  	    data = smb_fdata(data,
  		"[P1]NBT Session Request\nFlags=[B]\nLength=[rd]\nDestination=[n1]\nSource=[n1]\n",
  		maxbuf, 0);
  	    break;
  
  	case 0x82:
  	    data = smb_fdata(data, "[P1]NBT Session Granted\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
  	    break;
  
  	case 0x83:
  	  {
  	    const u_char *origdata;
  	    int ecode;
  
  	    origdata = data;
  	    data = smb_fdata(data, "[P1]NBT SessionReject\nFlags=[B]\nLength=[rd]\nReason=[B]\n",
  		maxbuf, 0);
  	    if (data == NULL)
  		break;
  	    if (nbt_len >= 1 && caplen >= 1) {
  		ecode = origdata[4];
  		switch (ecode) {
  		case 0x80:
  		    printf("Not listening on called name\n");
  		    break;
  		case 0x81:
  		    printf("Not listening for calling name\n");
  		    break;
  		case 0x82:
  		    printf("Called name not present\n");
  		    break;
  		case 0x83:
  		    printf("Called name present, but insufficient resources\n");
  		    break;
  		default:
  		    printf("Unspecified error 0x%X\n", ecode);
  		    break;
  		}
  	    }
  	  }
  	    break;
  
  	case 0x85:
  	    data = smb_fdata(data, "[P1]NBT Session Keepalive\nFlags=[B]\nLength=[rd]\n", maxbuf, 0);
  	    break;
  
  	default:
  	    data = smb_fdata(data, "NBT - Unknown packet type\nType=[B]\n", maxbuf, 0);
  	    break;
  	}
  	printf("\n");
  	fflush(stdout);
      }
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  
  /*
   * print a NBT packet received across udp on port 137
   */
  void
  nbt_udp137_print(const u_char *data, int length)
  {
      const u_char *maxbuf = data + length;
      int name_trn_id, response, opcode, nm_flags, rcode;
      int qdcount, ancount, nscount, arcount;
      const char *opcodestr;
      const u_char *p;
      int total, i;
  
      TCHECK2(data[10], 2);
      name_trn_id = EXTRACT_16BITS(data);
      response = (data[2] >> 7);
      opcode = (data[2] >> 3) & 0xF;
      nm_flags = ((data[2] & 0x7) << 4) + (data[3] >> 4);
      rcode = data[3] & 0xF;
      qdcount = EXTRACT_16BITS(data + 4);
      ancount = EXTRACT_16BITS(data + 6);
      nscount = EXTRACT_16BITS(data + 8);
      arcount = EXTRACT_16BITS(data + 10);
      startbuf = data;
  
      if (maxbuf <= data)
  	return;
  
      if (vflag > 1)
  	printf("\n>>> ");
  
      printf("NBT UDP PACKET(137): ");
  
      switch (opcode) {
      case 0: opcodestr = "QUERY"; break;
      case 5: opcodestr = "REGISTRATION"; break;
      case 6: opcodestr = "RELEASE"; break;
      case 7: opcodestr = "WACK"; break;
      case 8: opcodestr = "REFRESH(8)"; break;
      case 9: opcodestr = "REFRESH"; break;
      case 15: opcodestr = "MULTIHOMED REGISTRATION"; break;
      default: opcodestr = "OPUNKNOWN"; break;
      }
      printf("%s", opcodestr);
      if (response) {
  	if (rcode)
  	    printf("; NEGATIVE");
  	else
  	    printf("; POSITIVE");
      }
  
      if (response)
  	printf("; RESPONSE");
      else
  	printf("; REQUEST");
  
      if (nm_flags & 1)
  	printf("; BROADCAST");
      else
  	printf("; UNICAST");
  
      if (vflag < 2)
  	return;
  
      printf("\nTrnID=0x%X\nOpCode=%d\nNmFlags=0x%X\nRcode=%d\nQueryCount=%d\nAnswerCount=%d\nAuthorityCount=%d\nAddressRecCount=%d\n",
  	name_trn_id, opcode, nm_flags, rcode, qdcount, ancount, nscount,
  	arcount);
  
      p = data + 12;
  
      total = ancount + nscount + arcount;
  
      if (qdcount > 100 || total > 100) {
  	printf("Corrupt packet??\n");
  	return;
      }
  
      if (qdcount) {
  	printf("QuestionRecords:\n");
  	for (i = 0; i < qdcount; i++) {
  	    p = smb_fdata(p,
  		"|Name=[n1]\nQuestionType=[rw]\nQuestionClass=[rw]\n#",
  		maxbuf, 0);
  	    if (p == NULL)
  		goto out;
  	}
      }
  
      if (total) {
  	printf("\nResourceRecords:\n");
  	for (i = 0; i < total; i++) {
  	    int rdlen;
  	    int restype;
  
  	    p = smb_fdata(p, "Name=[n1]\n#", maxbuf, 0);
  	    if (p == NULL)
  		goto out;
  	    restype = EXTRACT_16BITS(p);
  	    p = smb_fdata(p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
  	    if (p == NULL)
  		goto out;
  	    rdlen = EXTRACT_16BITS(p);
  	    printf("ResourceLength=%d\nResourceData=\n", rdlen);
  	    p += 2;
  	    if (rdlen == 6) {
  		p = smb_fdata(p, "AddrType=[rw]\nAddress=[b.b.b.b]\n", p + rdlen, 0);
  		if (p == NULL)
  		    goto out;
  	    } else {
  		if (restype == 0x21) {
  		    int numnames;
  
  		    TCHECK(*p);
  		    numnames = p[0];
  		    p = smb_fdata(p, "NumNames=[B]\n", p + 1, 0);
  		    if (p == NULL)
  			goto out;
  		    while (numnames--) {
  			p = smb_fdata(p, "Name=[n2]\t#", maxbuf, 0);
  			if (p == NULL)
  			    goto out;
  			TCHECK(*p);
  			if (p[0] & 0x80)
  			    printf("<GROUP> ");
  			switch (p[0] & 0x60) {
  			case 0x00: printf("B "); break;
  			case 0x20: printf("P "); break;
  			case 0x40: printf("M "); break;
  			case 0x60: printf("_ "); break;
  			}
  			if (p[0] & 0x10)
  			    printf("<DEREGISTERING> ");
  			if (p[0] & 0x08)
  			    printf("<CONFLICT> ");
  			if (p[0] & 0x04)
  			    printf("<ACTIVE> ");
  			if (p[0] & 0x02)
  			    printf("<PERMANENT> ");
  			printf("\n");
  			p += 2;
  		    }
  		} else {
  		    print_data(p, min(rdlen, length - (p - data)));
  		    p += rdlen;
  		}
  	    }
  	}
      }
  
      if (p < maxbuf)
  	smb_fdata(p, "AdditionalData:\n", maxbuf, 0);
  
  out:
      printf("\n");
      fflush(stdout);
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  
  
  /*
   * print a NBT packet received across udp on port 138
   */
  void
  nbt_udp138_print(const u_char *data, int length)
  {
      const u_char *maxbuf = data + length;
  
      if (maxbuf > snapend)
  	maxbuf = snapend;
      if (maxbuf <= data)
  	return;
      startbuf = data;
  
      if (vflag < 2) {
  	printf("NBT UDP PACKET(138)");
  	return;
      }
  
      data = smb_fdata(data,
  	"\n>>> NBT UDP PACKET(138) Res=[rw] ID=[rw] IP=[b.b.b.b] Port=[rd] Length=[rd] Res2=[rw]\nSourceName=[n1]\nDestName=[n1]\n#",
  	maxbuf, 0);
  
      if (data != NULL) {
  	/* If there isn't enough data for "\377SMB", don't check for it. */
  	if (&data[3] >= maxbuf)
  	    goto out;
  
  	if (memcmp(data, "\377SMB",4) == 0)
  	    print_smb(data, maxbuf);
      }
  out:
      printf("\n");
      fflush(stdout);
  }
  
  
  /*
     print netbeui frames
  */
  struct nbf_strings {
  	const char	*name;
  	const char	*nonverbose;
  	const char	*verbose;
  } nbf_strings[0x20] = {
  	{ "Add Group Name Query", ", [P23]Name to add=[n2]#",
  	  "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
  	{ "Add Name Query", ", [P23]Name to add=[n2]#",
  	  "[P5]ResponseCorrelator=[w]\n[P16]Name to add=[n2]\n" },
  	{ "Name In Conflict", NULL, NULL },
  	{ "Status Query", NULL, NULL },
  	{ NULL, NULL, NULL },	/* not used */
  	{ NULL, NULL, NULL },	/* not used */
  	{ NULL, NULL, NULL },	/* not used */
  	{ "Terminate Trace", NULL, NULL },
  	{ "Datagram", NULL,
  	  "[P7]Destination=[n2]\nSource=[n2]\n" },
  	{ "Broadcast Datagram", NULL,
  	  "[P7]Destination=[n2]\nSource=[n2]\n" },
  	{ "Name Query", ", [P7]Name=[n2]#",
  	  "[P1]SessionNumber=[B]\nNameType=[B][P2]\nResponseCorrelator=[w]\nName=[n2]\nName of sender=[n2]\n" },
  	{ NULL, NULL, NULL },	/* not used */
  	{ NULL, NULL, NULL },	/* not used */
  	{ "Add Name Response", ", [P1]GroupName=[w] [P4]Destination=[n2] Source=[n2]#",
  	  "AddNameInProcess=[B]\nGroupName=[w]\nTransmitCorrelator=[w][P2]\nDestination=[n2]\nSource=[n2]\n" },
  	{ "Name Recognized", NULL,
  	  "[P1]Data2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nDestination=[n2]\nSource=[n2]\n" },
  	{ "Status Response", NULL, NULL },
  	{ NULL, NULL, NULL },	/* not used */
  	{ NULL, NULL, NULL },	/* not used */
  	{ NULL, NULL, NULL },	/* not used */
  	{ "Terminate Trace", NULL, NULL },
  	{ "Data Ack", NULL,
  	  "[P3]TransmitCorrelator=[w][P2]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
  	{ "Data First/Middle", NULL,
  	  "Flags=[{RECEIVE_CONTINUE|NO_ACK||PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
  	{ "Data Only/Last", NULL,
  	  "Flags=[{|NO_ACK|PIGGYBACK_ACK_ALLOWED|PIGGYBACK_ACK_INCLUDED|}]\nResyncIndicator=[w][P2]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
  	{ "Session Confirm", NULL,
  	  "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
  	{ "Session End", NULL,
  	  "[P1]Data2=[w][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
  	{ "Session Initialize", NULL,
  	  "Data1=[B]\nData2=[w]\nTransmitCorrelator=[w]\nResponseCorelator=[w]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
  	{ "No Receive", NULL,
  	  "Flags=[{|SEND_NO_ACK}]\nDataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
  	{ "Receive Outstanding", NULL,
  	  "[P1]DataBytesAccepted=[b][P4]\nRemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
  	{ "Receive Continue", NULL,
  	  "[P2]TransmitCorrelator=[w]\n[P2]RemoteSessionNumber=[B]\nLocalSessionNumber=[B]\n" },
  	{ NULL, NULL, NULL },	/* not used */
  	{ NULL, NULL, NULL },	/* not used */
  	{ "Session Alive", NULL, NULL }
  };
  
  void
  netbeui_print(u_short control, const u_char *data, int length)
  {
      const u_char *maxbuf = data + length;
      int len;
      int command;
      const u_char *data2;
      int is_truncated = 0;
  
      if (maxbuf > snapend)
  	maxbuf = snapend;
      TCHECK(data[4]);
      len = EXTRACT_LE_16BITS(data);
      command = data[4];
      data2 = data + len;
      if (data2 >= maxbuf) {
  	data2 = maxbuf;
  	is_truncated = 1;
      }
  
      startbuf = data;
  
      if (vflag < 2) {
  	printf("NBF Packet: ");
  	data = smb_fdata(data, "[P5]#", maxbuf, 0);
      } else {
  	printf("\n>>> NBF Packet\nType=0x%X ", control);
  	data = smb_fdata(data, "Length=[d] Signature=[w] Command=[B]\n#", maxbuf, 0);
      }
      if (data == NULL)
  	goto out;
  
      if (command > 0x1f || nbf_strings[command].name == NULL) {
  	if (vflag < 2)
  	    data = smb_fdata(data, "Unknown NBF Command#", data2, 0);
  	else
  	    data = smb_fdata(data, "Unknown NBF Command\n", data2, 0);
      } else {
  	if (vflag < 2) {
  	    printf("%s", nbf_strings[command].name);
  	    if (nbf_strings[command].nonverbose != NULL)
  		data = smb_fdata(data, nbf_strings[command].nonverbose, data2, 0);
  	} else {
  	    printf("%s:\n", nbf_strings[command].name);
  	    if (nbf_strings[command].verbose != NULL)
  		data = smb_fdata(data, nbf_strings[command].verbose, data2, 0);
  	    else
  		printf("\n");
  	}
      }
  
      if (vflag < 2)
  	return;
  
      if (data == NULL)
  	goto out;
  
      if (is_truncated) {
  	/* data2 was past the end of the buffer */
  	goto out;
      }
  
      /* If this isn't a command that would contain an SMB message, quit. */
      if (command != 0x08 && command != 0x09 && command != 0x15 &&
          command != 0x16)
  	goto out;
  
      /* If there isn't enough data for "\377SMB", don't look for it. */
      if (&data2[3] >= maxbuf)
  	goto out;
  
      if (memcmp(data2, "\377SMB",4) == 0)
  	print_smb(data2, maxbuf);
      else {
  	int i;
  	for (i = 0; i < 128; i++) {
  	    if (&data2[i + 3] >= maxbuf)
  		break;
  	    if (memcmp(&data2[i], "\377SMB", 4) == 0) {
  		printf("found SMB packet at %d\n", i);
  		print_smb(&data2[i], maxbuf);
  		break;
  	    }
  	}
      }
  
  out:
      printf("\n");
      return;
  trunc:
      printf("[|SMB]");
      return;
  }
  
  
  /*
   * print IPX-Netbios frames
   */
  void
  ipx_netbios_print(const u_char *data, u_int length)
  {
      /*
       * this is a hack till I work out how to parse the rest of the
       * NetBIOS-over-IPX stuff
       */
      int i;
      const u_char *maxbuf;
  
      maxbuf = data + length;
      /* Don't go past the end of the captured data in the packet. */
      if (maxbuf > snapend)
  	maxbuf = snapend;
      startbuf = data;
      for (i = 0; i < 128; i++) {
  	if (&data[i + 4] > maxbuf)
  	    break;
  	if (memcmp(&data[i], "\377SMB", 4) == 0) {
  	    smb_fdata(data, "\n>>> IPX transport ", &data[i], 0);
  	    if (data != NULL)
  		print_smb(&data[i], maxbuf);
  	    printf("\n");
  	    fflush(stdout);
  	    break;
  	}
      }
      if (i == 128)
  	smb_fdata(data, "\n>>> Unknown IPX ", maxbuf, 0);
  }
  